Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. superheater. economizer. air preheater. ash handling point. superheater. economizer. air preheater. ash handling point. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these interference decreases power loss decreases charging current increases All of these interference decreases power loss decreases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 1.098 pu 1 pu 0.098 pu 0.98 pu 1.098 pu 1 pu 0.098 pu 0.98 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of none of these. bus bar. alternator. transformer. none of these. bus bar. alternator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Decrease but does not halves. Halves. Increase but does not doubled. Doubled. Decrease but does not halves. Halves. Increase but does not doubled. Doubled. ANSWER DOWNLOAD EXAMIANS APP
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